# Calculator, basic and advanced vs Lazy Calendar

The clearest difference is in-app purchases: Calculator, basic and advanced at none against Lazy Calendar's 2. Lazy Calendar's advantage is ads (none vs shown) and iOS requirement (12.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Lazy Calendar sells 2 in-app purchases, starting at $0.99 per month. Calculator, basic and advanced asks for nothing beyond the download.

Calculator, basic and advanced ships an update every 3 months, Lazy Calendar every 6 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculator, basic and advanced | Lazy Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (78 ratings)](https://appshunter.io/ios/app/calculator-basic-and-advanced/id1450111750/reviews)** | — |
| Number of ratings | **78** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 40 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Saren Inden](https://appshunter.io/developer/1088249270) | [The Lazy Calendar LLC](https://appshunter.io/developer/1618905813) |

## What reviewers say

### Calculator, basic and advanced

[App page](https://appshunter.io/ios/app/calculator-basic-and-advanced/id1450111750)

This app offers a comprehensive calculator with both simple and advanced modes. It includes an equation solver with step-by-step explanations, calculation history, graphing capabilities, and table generation for multiple inputs. Supports a wide range of mathematical operators and functions.

**Highlights:** Simple and advanced calculation modes, Step-by-step equation solver, Calculation history, Graphing of equations, Table generation, Extensive mathematical operators

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Lazy Calendar

[App page](https://appshunter.io/ios/app/lazy-calendar/id1618905811)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $0.99 | per month |
| Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is Calculator, basic and advanced free?

Calculator, basic and advanced is free to download, with no in-app purchases.

### Is Lazy Calendar free?

Lazy Calendar is free to download, with in-app purchases available.

### Do Calculator, basic and advanced or Lazy Calendar have ads?

Calculator, basic and advanced shows ads; Lazy Calendar does not.

### Which is updated more often, Calculator, basic and advanced or Lazy Calendar?

Calculator, basic and advanced ships an update every 3 months, and Lazy Calendar every 6 weeks. Most recently, Calculator, basic and advanced was updated on November 2, 2026 and Lazy Calendar on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*